Ya, I think these are the most important arguments for UBI. It incentivizes risk taking. We want to socialize risk-taking by entrepreneurs. We want to socialize investment in your own skills, and your own development. The only real question, IMO, is if we can afford it. We may or may not be able to today, but one day, we will be able to provide the basic necessities for all citizens as a human right. And on that day, we will reap enormous productivity gains, for exactly these reasons.

For these exact same reasons, you also don't need a minimum wage. And you don't need laws about hiring/firing people. If you get fired, it's a hit, but not an existential crisis that requires government intervention. If, as an employer, you offer too low a salary, people simply won't take it. We don't need to ensure that the minimum wage meets some basic standard of living, because you're already guaranteed that by virtue of your humanity.

A UBI raises the minimum to a level where government intervention in the workplace is no longer required to ensure decent treatment of human beings. In so doing, it eliminates deadweight loss of all kinds, from every corner of the market.